From f96725b8221aa96ddc479d5773b2fcf8c684268e Mon Sep 17 00:00:00 2001
From: Guillaume Dott <guillaume+github@dott.fr>
Date: Fri, 12 Dec 2014 12:23:25 +0100
Subject: [PATCH] Return cells with same prototype in Cell#adjacentCells()

---
 views/application.coffee | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/views/application.coffee b/views/application.coffee
index d1c80cf..37508b2 100644
--- a/views/application.coffee
+++ b/views/application.coffee
@@ -115,11 +115,12 @@ class Nikoli.Cell
   getRow: -> @game[@x]
 
   adjacentCells: ->
+    constructor = Object.getPrototypeOf(this).constructor
     [
-      new Cell(@x + 1, @y, @game),
-      new Cell(@x - 1, @y, @game),
-      new Cell(@x, @y + 1, @game),
-      new Cell(@x, @y - 1, @game)
+      new constructor(@x + 1, @y, @game),
+      new constructor(@x - 1, @y, @game),
+      new constructor(@x, @y + 1, @game),
+      new constructor(@x, @y - 1, @game)
     ]
 
   valid: (value) ->